Merge images into a PDF by ChatGPT

combine-images.sh

#!/bin/bash

# Check if the correct number of arguments were provided
if [ $# -eq 0 ]; then
  echo "Usage: $0 image_directory file_extension compression_quality"
  exit 1
fi

dir="$1"
ext="${2:-png}"
quality="${3:-100}"

# Navigate to the specified directory
cd "$dir"

# Compress the images
mogrify -quality "$quality" *."$ext"

# Combine the images into a PDF file with the same name as the directory
pdfname=$(basename "$dir").pdf
convert *."$ext" "$pdfname"

# Verify that the PDF file was created
if [ -f "$pdfname" ]; then
  echo "PDF file created successfully."
  open "$pdfname"
else
  echo "Error: PDF file not created."
fi